All Stories

  1. Combustion Characteristics of Stabilized Combustion with Liquid Oxygen Under High Pressure Conditions

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Mai Fukada, Harunori Nagata, Kaii Ri, Mao Yamaguchi

  2. The Analytical Study for Operation Condition of Axial-Injection End-Burning Hybrid Rocket

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Mai Fukada, Harunori Nagata, Kaii Ri

  3. Fuel Regression Characteristics of CAMUI-Type Hybrid Rocket with Hydrogen Peroxide

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata

  4. Obtaining C* Efficiency and Establishing Ignition Sequences in Axial-Injection-End-Burning Hybrid Rockets (AIEB-HR) Using Liquid Oxygen

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Mai Fukada, Harunori Nagata, Kaii Ri

  5. Small Satellite Hybrid Propulsion Systems: A Numerical Strategy for Regenerative Cooling Design

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata

  6. Electroconductive Polymer Ignition Testing in a Combustion Visualization Wind Tunnel

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata

  7. Application of Preheated Low-concentration Hydrogen Peroxide as an Oxidizer for Hybrid Rockets

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata

  8. Optimal diffuser geometry design and verification for micro-scale high altitude test stand

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata, Yamato Itoigawa

  9. Experimental Advancements in the Development of a Regenerative Cooling System for Hybrid Rocket Applications

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata

  10. Combustion Characteristics of Stabilized Combustion with Liquid Oxygen at Different Operating Conditions

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata, Kaii Ri, Mai Fukada

  11. Safe and Low Voltage Rocket Ignition System using electrically conductive plastics

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata

  12. Progress Towards Graphite Nozzle Cooling for Throat Erosion Suppression

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata

  13. Application of Low Concentration Hydrogen Peroxide for Hybrid Rocket Propulsion System for Small Spacecraft

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata

  14. Fuel Regression Characteristics in Hybrid Rockets Using Nitrous Oxide/High-Density Polyethylene

    Article • Journal of Propulsion and Power, November 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata

  15. Initial Firing Tests of Aluminum Rod/Water Hybrid Rockets

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Landon Kamps, Masashi Wakita, Harunori Nagata, Ayumu Tsuji

  16. Evaluation of the Thermal Onset of Graphite Nozzle Erosion

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Landon Kamps, Harunori Nagata

  17. Fuel Regression Characteristics of Axial-Injection End-Burning Hybrid Rocket Using Nitrous Oxide

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Ayumu Tsuji, Landon Kamps, Harunori Nagata

  18. Visualization of Fuel Regression Rate in Axial-Injection End-Burning Hybrid Rocket

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Ayumu Tsuji, Landon Kamps, Harunori Nagata

  19. Numerical Analysis of Nozzle Heating and Erosion in Hybrid Rockets and Comparison with Experiments

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Landon Kamps, Harunori Nagata

  20. Investigation of Graphite Nozzle Erosion in Hybrid Rockets Using Oxygen/High-Density Polyethylene

    Article • Journal of Propulsion and Power, May 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata

  21. Effect of Aft Chamber Volume on Hybrid Rocket Combustion Efficiency

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata, Landon Kamps

  22. Investigation of Graphite Nozzle Erosion in Hybrid Rockets Using N2O/HDPE

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Landon Kamps, Harunori Nagata

  23. Fuel Regression Characteristics in Hybrid Rockets Using N2O/HDPE

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Landon Kamps, Harunori Nagata

  24. Response Mechanisms in Axial-Injection End-Burning Hybrid Rockets

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Ayumu Tsuji, Harunori Nagata

  25. High Pressure Fuel Regression Characteristics of Axial-Injection End-Burning Hybrid Rockets

    Article • Journal of Propulsion and Power, March 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata, Ayumu Tsuji

  26. Preliminary Thermal Design for Microsatellites Deployed from International Space Station’s Kibo Module

    Article • Journal of Thermophysics and Heat Transfer, July 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Harunori Nagata, Masashi Wakita

  27. Fuel Regression Characteristics of a Novel Axial-Injection End-Burning Hybrid Rocket

    Article • Journal of Propulsion and Power, January 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata

  28. Verification Firings of End-Burning Type Hybrid Rockets

    Article • Journal of Propulsion and Power, November 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata

  29. Method for Determining Nozzle-Throat-Erosion History in Hybrid Rockets

    Article • Journal of Propulsion and Power, November 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Landon Kamps, Masashi Wakita, Harunori Nagata

  30. Experimental and Analytical Investigation of Effect of Pressure on Regression Rate of Axial-Injection End-Burning Hybrid Rockets

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata

  31. Method for Determining Nozzle Throat Erosion History in Hybrid Rockets

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Landon Kamps, Harunori Nagata

  32. Verification Firings of End-burning Type Hybrid Rockets

    Article • July 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Masashi Wakita, Harunori Nagata

  33. Thermal Design Procedure for Micro- and Nanosatellites Pointing to Earth

    Article • Journal of Thermophysics and Heat Transfer, July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Mr Tilok Kumar Das, Ryota Inoue, Masashi Wakita, Harunori Nagata